13
FIGURE 8A.
FIGURE 8B. HC TYPES FIGURE 8C. HCT TYPES
FIGURE 8. SWITCH PROPAGATION DELAY, TURN-ON, TURN-OFF TIMES
FIGURE 9. SWITCH ON/OFF PROPAGATION DELAY TEST
CIRCUIT
FIGURE 10. SWITCH IN TO SWITCH OUT PROPAGATION
DELAY TEST CIRCUIT
Test Circuits and Waveforms (Continued)
50%
10%
90%
V
CC
SWITCH INPUT
t
r
= 6ns t
f
= 6ns
t
PHL
t
PLH
V
EE
50
10
90
WITCH OUTPUT
50%
10%
90%
GND
V
CC
10%
90%
50%
50%
E OR Sn
OUTPUT LOW
TO OFF
OUTPUT HIGH
TO OFF
SWITCH ON
6ns 6ns
t
PZH
t
PHZ
t
PZL
t
PLZ
SWITCH O
SWITCH OFF
1.3
0.3
2.7
GND
3V
10%
90%
50%
50%
E OR Sn
OUTPUT LOW
TO OFF
OUTPUT HIGH
TO OFF
SWITCH ON
6ns 6ns
t
PZH
t
PHZ
t
PZL
t
PLZ
SWITCH O
SWITCH OFF
t
r
t
f
OUT
V
CC
FOR
V
EE
FOR
R
L
= 1kΩ
C
L
50pF
TG
V
EE
FOR
V
CC
FOR
IN
t
PLZ
AND t
PZL
t
PHZ
AND t
PZH
t
PLZ
AND t
PZL
t
PHZ
AND t
PZH
OUT
50pF
TG
IN
’HC4051, ’HCT4051, ’HC4052, CD74HCT4052, ’HC4053, CD74HCT4053
